Sexually sensitive portion stimulating ring and storing device therefor

ABSTRACT

A sexual stimulation device is placed on the root of the penis before sexual intercourse and is constructed of an outer ring and an inner ring. During sexual intercourse a first portion of the inner ring is displaced inwardly, resulting in a squeezing force being applied to the root of the penis and a second portion of the inner ring and a portion of the outer ring are displaced outwardly and contact the vulva of the female sex organ.

TECHNICAL FIELD

The present invention relates to a ring-shaped sexually sensitiveportion stimulating tool which is fitted on a penis root and anaccommodating device therefor.

BACKGROUND ART

A large number of annular sexually sensitive portion stimulating rings,mounted on the root of a male penis for inducing erection of the malepenis and keeping the male penis erected have been developed. Thesetools are intended to maintain an erected state by squeezing the root ofthe male penis.

A penis erection inducing tool disclosed in Japanese Utility ModelApplication Laid-Open No. 5-11935 is a representation of these sexuallysensitive portion stimulating rings. In the penis erection inducingtool, a plurality of annular squeezing tools are mounted on the root ofthe penis in such a way that the one having a small diameter is mountedon the rear side of the penis root, whereas the one having a largediameter is mounted on the front side thereof to induce erection of thepenis and maintain an erected state.

However, the above-described conventional tool is intended to stimulatethe male penis but not intended to stimulate the female sexual organ.

DISCLOSURE OF THE INVENTION

The present invention has been made in view of the above-describedsituation. Therefore, it is an object of the present invention toprovide a sexually sensitive portion stimulating ring capable of givinga female a feeling of sexual pleasure by stimulating a female sexualorgan during sexual intercourse.

To achieve this object, the present invention has the characteristicsdescribed in each item of the scope of claims.

Specifically, in the invention described in claim 1, there is provided aring-shaped sexually sensitive portion stimulating tool including anelastically deformable ring body, a first displacement portion which isprovided on the ring body and is elastically displaced to an inner sidein a widthwise direction of the ring body when the ring body is pressedin the widthwise direction of the ring body, and a second displacementportion which is provided on the ring body and is displaced to an outerside in the widthwise direction of the ring body with a displacement ofthe first displacement portion to the inner side in the widthwisedirection of the ring body. The second displacement portion isconstructed as a female sexual organ stimulating portion.

Owing to the above-described construction, with the displacement of thefirst displacement portion to the inner side in the widthwise directionof the ring, the second displacement portion serving as the femalesexual organ stimulating portion displaces to the outer side in thewidthwise direction of the ring. Therefore, during sexual intercourse,it is possible to give a feeling of sexual pleasure to a female.

In this case, according to the invention specified in claim 2, thesecond displacement portion makes an outward displacing motion in thewidthwise direction of the ring body while the second displacementportion is displaced outwardly in a radial direction of the ring body.According to the invention specified in claim 3, a peripheral portion ofthe second displacement portion makes an outwardly spreading motion inthe widthwise direction of the ring body, with an inner peripheralportion of the second displacement portion in the radial direction ofthe ring body serving as a supporting point.

In the invention described in claim 4, there is provided a ring-shapedsexually sensitive portion stimulating tool including a ring body thatis elastically deformable. The ring body has an inner ring,approximately U-shaped in section, having a groove open in a peripheraldirection thereof; and an outer ring which has a female sexual organstimulating portion and is fitted in the groove of the inner ring. Whenthe inner ring deforms elastically upon receipt of a pressing force fromopposite sides thereof in a widthwise direction of the ring body, theinner ring presses the outer ring, thus moving the female sexual organstimulating portion.

As described above, the inner ring deforms elastically upon receipt ofthe pressing force from the opposite sides thereof in the widthwisedirection of the ring body, thus pressing the outer ring and moving thefemale sexual organ stimulating portion. Thus, during sexualintercourse, it is possible to give a female a feeling of sexualpleasure.

In the invention described in claim 5, there is provided a ring-shapedsexually sensitive portion stimulating tool including an outer ring,approximately U-shaped in section, which has a pair of thick-walledportions whose inner-side surfaces confront each other and a curvedportion connecting both thick-walled portions to each other; and aninner ring, approximately U-shaped in section, having a groove open in aperipheral direction thereof. The outer ring is fitted in the groove ofthe inner ring. Upon receipt of a pressing force applied to anouter-side surface of the inner ring, both tips of the U-shaped innerring press outer-side surfaces of both thick-walled portions of theouter ring to allow both thick-walled portions to make a rotary motionwith an end at the side of the curved portion of an inner-side surfaceof each of both thick-walled portions of the outer ring operating as asupporting point so that both thick-walled portions stimulate a femalesexual organ.

As described above, upon receipt of the pressing force applied to theouter-side surface of the inner ring, both tips of the U-shaped innerring press the outer-side surfaces of both thick-walled portions of theouter ring to allow each of both thick-walled portions to make a rotarymotion with the end at the side of the curved portion of the inner-sidesurface of both thick-walled portions of the outer ring operating as thesupporting point so that both thick-walled portions stimulate the femalesexual organ. Therefore, during sexual intercourse it is possible togive a female a feeling of sexual pleasure.

In this case, according to the invention described in claim 6, apositioning member for allowing the outer ring to have a constantdistance with respect to the inner ring is provided inside the groove ofthe inner ring. In this case, even though the outer ring is dislocatedfrom the inner ring in the radial direction of the ring, the outer ringcan be immediately returned to the right position with respect to theinner ring.

According to the invention described in claim 7, the positioning memberis formed integrally with the outer ring. In this case, the positioningmember allows the positional relationship between the outer ring and theinner ring to be proper and allows a cleaning liquid to be sanitary incleaning the ring-shaped sexually sensitive portion stimulating toolwith the cleaning liquid.

In the invention described in claim 8, there is provided a ring-shapedsexually sensitive portion stimulating tool including an outer ringwhose outer edge serves as a female sexual organ stimulating portion,and an inner ring whose side surface receives a pressing force. Thesexually sensitive portion stimulating tool has a stepped constructionin such a way that when the sexually sensitive portion stimulating toolis seen from a peripheral surface side thereof, the inner ring ispositioned at an outer side in a widthwise direction of the sexuallysensitive portion stimulating tool and the outer ring is positioned atan inner side in the widthwise direction thereof, and the outer ring ispositioned outward beyond the inner ring in a radial direction of thesexually sensitive portion stimulating tool to form a steppedconstruction. The female sexual organ stimulating portion is displacedoutward in the widthwise direction of the sexually sensitive portionstimulating tool upon receipt of a pressing force applied to the sidesurface of the inner ring and stimulates a female sexual organ.

As described above, the female sexual organ stimulating portiondisplaces outward in the widthwise direction of the sexually sensitiveportion stimulating tool upon receipt of the pressing force applied tothe side surface of the inner ring and stimulates the female sexualorgan. Therefore, during sexual intercourse, it is possible to give afemale a feeling of sexual pleasure.

In the invention described in claim 9, the inner diameter of the innerring is shrunk by a pressing force applied to an outer-side surface ofthe inner ring to allow the inner ring to squeeze the penis. Accordingto the invention, during sexual intercourse, the erection of the malepenis is induced, and an erected state can be maintained.

In the invention described in claim 10, there is provided a ring-shapedsexually sensitive portion stimulating tool, U-shaped in section,including a pair of thick-walled portions whose inner-side surfacesconfront each other, and a curved portion connecting both thick-walledportions to each other. Upon receipt of a pressing force applied to anouter-side surface of each of both thick-walled portions, each of boththick-walled portions makes a rotary motion with an end, at the side ofthe curved portion, of an inner-side surface of each of boththick-walled portions of the outer ring operating as a supporting pointand stimulate a female sexual organ.

As described above, upon receipt of the pressing force applied to theouter-side surface of both thick-walled portions, the thick-walledportions makes a rotary motion with the end, at the side of the curvedportion, of the inner-side surface of each of both thick-walled portionsof the outer ring operating as the supporting point and stimulates thefemale sexual organ. Therefore, during sexual intercourse, it ispossible to give a female a feeling of sexual pleasure.

In this case, according to the invention described in claim 11, boththick-walled portions project inward in such a way that the curvedportion is located inward from the thick-walled portions.

According to the invention described in claim 12, a groove for formingan air hole communicating with a space formed of both thick-walledportions, the curved portion and with the outside of each other isformed on an inner-side surf ace of each of the thick-walled portions.In this case, during sexual intercourse, it is possible to return boththick-walled portions quickly from the outwardly displaced state to theoriginal state and operate both thick-walled portions properly.

According to the invention described in claim 13, a radius is formed onan inner-side end and an outer-side end, in a radial direction of thesexually sensitive portion stimulating tool of a peripheral portion ofeach of both thick-walled portions in a widthwise direction of thesexually sensitive portion stimulating tool. In this case, during sexualintercourse it is possible prevent a female from having a feeling ofphysical disorder.

In the invention described in claim 14, there is provided a ring-shapedsexually sensitive portion stimulating tool including a ring body havinga first ring portion, a second ring portion parallel with the first ringportion in a widthwise direction of the sexually sensitive portionstimulating tool, and an elastically deformable holding portion forholding the first and second ring portions. The ring body is so formedthat the distance between a peripheral portion of the first ring portionand that of the second ring portion in a radial direction of thesexually sensitive portion stimulating tool is varied by a change in apressing force applied to a side surface of the sexually sensitiveportion stimulating tool.

As described above, in the ring body having the first ring portion, thesecond ring portion, and the holding portion, the ring body is so formedthat the distance between the peripheral portion of the first ringportion and that of the second ring portion in the radial direction ofthe sexually sensitive portion stimulating tool is varied by a change inthe pressing force applied to the side surface of the sexually sensitiveportion stimulating tool. Thus, the operation of the first ring portionor that of the second ring portion is capable of giving a female afeeling of sexual pleasure during sexual intercourse.

In this case, according to the invention specified in claim 15, thering-shaped sexually sensitive portion stimulating tool can beconstructed so that the holding portion is positioned at an innerperipheral side of the first and second ring portions in the radialdirection of the sexually sensitive portion stimulating tool andsupports the first and second ring portions at a thin-walled portionthereof thinner than the first and second ring portions, and so that thethin-walled portion supports the first and second ring portions at aside surface thereof opposite to confronting side surfaces of the firstand second ring portions.

In the invention described in claim 16, there is provided a ring-shapedsexually sensitive portion stimulating tool which is deformedelastically by a pressing force applied thereto from a side surfacethereof in such a way that a female sexual organ stimulating portionformed on a peripheral portion thereof moves and stimulates a femalesexual organ.

This construction can also give a feeling of sexual pleasure to a femaleduring a sexual intercourse.

By using a device, for accommodating a sexually sensitive portionstimulating tool according to any one of claims 1 through 16,incorporating a heating/warmth-keeping device for heating the sexuallysensitive portion stimulating tool and keeping the sexually sensitiveportion stimulating tool warm, it is possible to use the sexuallysensitive portion stimulating tool at a moderate temperature.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a side view of a sexually sensitive portion stimulating ringof an embodiment of the present invention.

FIG. 2 is a front view of the sexually sensitive portion stimulatingring of the embodiment of the present invention.

FIG. 3(a) is a sectional view, taken along a line A—A of FIG. 1, of thesexually sensitive portion stimulating ring of the embodiment of thepresent invention.

FIG. 3(b) is a central cross-sectional view of a state in which thesexually sensitive portion stimulating ring of the embodiment of thepresent invention is pressed from opposite sides thereof.

FIG. 4 is a sectional view of a state in which the sexually sensitiveportion stimulating ring of the embodiment of the present invention isused.

FIGS. 5(a) and 5(b) show the construction of an outer ring in a morespecific embodiment of the sexually sensitive portion stimulating ring.

FIG. 6 shows a state in which the outer ring is fitted on an inner ringin the more specific embodiment of the sexually sensitive portionstimulating ring.

FIG. 7 is an explanatory view for explaining that even though the outerring of the sexually sensitive portion stimulating ring shown in FIG. 6is dislocated from the inner ring in a radial direction of the ring, theouter ring can be returned immediately to the right position withrespect to the inner ring.

FIGS. 8(a) and 8(b) show a groove formed on an inner-side surface of athick-walled portion of the outer ring shown in FIGS. 5 and 6 and an airhole formed, with inner-side surfaces of both thick-walled portions incontact each other.

FIG. 9 shows a modification of a projection serving as a positioningmember.

FIG. 10 shows another modification of the positioning member.

FIG. 11 shows a case for accommodating the sexually sensitive portionstimulating ring.

FIG. 12 shows the construction of a heating/warmth-keeping deviceaccommodated in the case shown in FIG. 11.

FIG. 13(a) is a central cross-sectional view of the sexually sensitiveportion stimulating ring of another embodiment of the present invention.

FIG. 13(b) is a central cross-sectional view of a state in which thesexually sensitive portion stimulating ring of another embodiment of thepresent invention is pressed from opposite sides thereof.

FIG. 14(a) is a central cross-sectional view of the sexually sensitiveportion stimulating ring of still another embodiment of the presentinvention.

FIG. 14(b) is a central cross-sectional view of a state in which thesexually sensitive portion stimulating ring of still another embodimentof the present invention is pressed from opposite sides thereof.

BEST MODE FOR CARRYING OUT THE INVENTION

The embodiments of the present invention will be described withreference to drawings.

(First Embodiment)

FIGS. 1 through 3 show a sexually sensitive portion. stimulating ringserving as a ring-shaped sexually sensitive portion stimulating toolaccording to an embodiment of the present invention.

FIG. 1 is a side view of the sexually sensitive portion stimulatingring. FIG. 2 is a front view of the sexually sensitive portionstimulating ring. FIG. 3(a) is a sectional view taken along a line A—Aof FIG. 1. FIG. 3 (b) is a central cross-sectional view showing a statein which the sexually sensitive portion stimulating ring is pressed fromopposite sides thereof.

As shown in FIGS. 1, 2, 3(a), and 3(b), a sexually sensitive portionstimulating ring 10 is constructed by fitting an outer ring 14 servingas a first ring on an inner ring 12 serving as a second ring.

The inner ring 12 is formed annularly from a molded materialapproximately U-shaped in section. The inner ring 12 is formed in itssectional configuration, as described below. That is, as shown in FIG.3(a), the inner ring 12 is approximately U-shaped in section and has aconcave portion (groove open in peripheral direction) 24 formed insideit. A pair of thick-walled portions (first displacement portion) 16serving as a female sexual organ stimulating portion are formed at bothtips of the approximately U-shaped inner ring 12. The thick-walledportion 16 is formed in the shape of an approximately square andprojects inward. A curved portion 18 connecting both thick-walledportions 16 to each other and supporting both thick-walled portions 16is formed between both thick-walled portions 16.

Similarly to the inner ring 12, the outer ring 14 is annularly formedfrom a molded material approximately U-shaped in section. The outer ring14 is formed in its sectional configuration, as described below. Thatis, as shown in FIG. 3(a), a thick-walled portion (second displacementportion) 20 serving as a female sexual organ stimulating portion and anouter edge portion is formed at both tips of the U-shaped outer ring 14.The thick-walled portion 20 is approximately formed in the shape of asquare and projects inward from a side surface of the outer ring 14. Acurved portion 22 connecting both thick-walled portions 20 to each otheris formed between both thick-walled portions 20. An inner surface of onethick-walled portion 20 and that of the other thick-walled portion 20contact each other.

The thick-walled portion 20 positioned at the left side of FIG. 3(a)constitutes a first ring portion 20 a, whereas the thick-walled portion20 positioned at the right side constitutes a second ring portion 20 b.The inner-side surface of the first ring portion 20 a and that of thesecond ring portion 20 b confront each other and are parallel with eachother in the widthwise direction (left-to-right direction in FIG. 3(a))of the ring, namely, the axial direction thereof. The first and secondring portions 20 a, 20 b are supported by the curved portion 22 servingas a holding portion. The curved portion 22 is positioned at an innerperipheral side (radially inward) of the first and second ring portions20 a, 20 b in the radial direction of the ring and constitutes athin-walled portion thinner than the first and second ring portions 20a, 20 b. The curved portion 22 supports the first and second ringportions 20 a, 20 b at a side surface thereof opposite to theconfronting side surface thereof.

The inner diameter of the curved portion 22 of the outer ring 14 isformed a little larger than the inner diameter of the curved portion 18of the inner ring 12. The outer ring 14 is fitted on the concave portion24, approximately U-shaped in section and formed on the periphery of theinner ring 12. The thick-walled portion 16 of the inner ring 12 isspread by the outer ring 14, and the corner of the thick-walled portion16 contacts a boundary portion between the thick-walled portion 20 ofthe outer ring 14 and the curved portion 22 thereof.

In this manner, an elastically deformable ring body having the outerring 14 and the inner ring 12 is constructed. As shown in FIG. 2, thesexually sensitive portion stimulating ring 10 has a steppedconstruction. That is, when the sexually sensitive portion stimulatingring 10 is seen from the peripheral surface side thereof, the inner ring12 is positioned at the outer side in the widthwise direction of thering and the outer ring 14 is positioned at the inner side in thewidthwise direction thereof, and the outer ring 14 is positioned outwardbeyond the inner ring 12 in the radial direction (vertical direction inFIG. 2) of the ring.

As shown in FIG. 3(a), in the above-described sexually sensitive portionstimulating ring 10, a diameter D1 thereof is about 70 mm, an innerdiameter D2 thereof is about 3 mm, and a width W1 thereof is 23 mm. Boththe inner ring 12 and the outer ring 14 are made of high qualitysilicone rubber, which has a hardness of 15-20° Hs, and are elasticallydeformable.

The operation of the sexually sensitive portion stimulating ring 10 willbe described below.

Initially, as shown in FIG. 4, the sexually sensitive portionstimulating ring 10 is fitted on the root of a penis I. In this state,the sexually sensitive portion stimulating ring 10 has an originalshape, as shown in FIG. 3(a).

Then, the penis I is inserted into a vagina V to have a sexualintercourse, with the sexually sensitive portion stimulating ring 10fitted on the root of the penis I. Thereupon, the side surface of thesexually sensitive portion stimulating ring 10 is pressed by male andfemale abdomens, with the sexually sensitive portion stimulating ring 10sandwiched therebetween. Upon receipt of a pressure applied to the innerring 12 from opposite sides thereof in the widthwise direction of thering, the inner ring 12 is displaced elastically inward in the widthwisedirection of the ring, and the corner of both thick-walled portions 16of the inner ring 12 presses the boundary portion between thethick-walled portion 20 of the outer ring 14 and the curved portion 22thereof.

At this time, the thick-walled portion 20 makes a rotary motion with anend, at the side of the curved portion 22, of the inner-side surface ofthe thick-walled portion 20 of the outer ring 14 operating as thesupporting point. That is, the thick-walled portion 20 makes a motion ofdisplacing toward the outer side in the widthwise direction of the ring,while the thick-walled portion 20 is displacing outward in the radialdirection of the ring. In other words, the peripheral portion of thethick-walled portion 20 of the outer ring 14 in the radial direction ofthe ring makes a motion of spreading outward in the widthwise directionof the ring, with the inner peripheral portion of the thick-walledportion 20 in the radial direction of the ring serving as the supportingpoint. As a result, the thick-walled portion 20 of the outer ring 14moves (displaces) outward in the widthwise direction of the ring.

As shown in FIG. 3(b), in this state, the thick-walled portion 20 of theouter ring 14 projects outward beyond the thick-walled portion 16 of theinner ring 12, whereas the curved portion 18 of the inner ring 12flattens and projects inward. The curved portion 22 of the outer ring 14is surrounded with the curved portion 18 of the inner ring 12.Accordingly, as shown in FIG. 4, the thick-walled portion 20 of theouter ring 14 contacts the female vulva C, and the root of the penis Iis squeezed with the curved portion 18. Because the root of the penis Iis squeezed, the glans inflates.

As described above, because the inner ring 12 is pressed in thewidthwise direction of the ring, the thick-walled portion 16 of theinner ring 12 displaces inward elastically. With the displacement, thethick-walled portion 20 of the outer ring 14 displaces outward in thewidthwise direction of the ring. Consequently, there is a change in thedistance between the peripheral portion of the first ring portion 20 aand that of the second ring portion 20 b (between radially outward ends)in the radial direction of the ring.

Accordingly, during sexual intercourse the sexually sensitive portionstimulating ring 10 repeats the following operation: (1) thethick-walled portion 16 of the inner ring 12 contacts the vulva C of thefemale sexual organ; (2) the thick-walled portion 20 of the outer ring14 contacts the vulva C of the female sexual organ and the root of thepenis I is squeezed by the flattening of the curved portion 18 of theinner ring 12; and (3) the contact of the thick-walled portion 20 of theouter ring 14 with the vulva C of the female sexual organ is released,and the squeezing of the root of the penis I is released by therestoration of the curved portion 18 of the inner ring 12 to theoriginal shape.

Because of the above-described construction, the sexually sensitiveportion stimulating ring 10 has the following effect.

During sexual intercourse, because the operation of the above-described(1)-(3) is repeated, the contact of the sexually sensitive portionstimulating ring with the vulva C of the female sexual organ, theseparation therefrom, the squeezing of the root of the penis I, and therelease of the squeezing thereof are repeated. Accordingly, the erectionof the male penis I is induced and an erected state can be maintained.Further, the female vulva C of the female sexual organ is stimulated.Therefore, the female can obtain a feeling of sexual pleasure.

As a result of the motion of the coitus, the sexually sensitive portionstimulating ring 10 repeats the operation of the above-described(1)-(3). Thus, the sexually sensitive portion stimulating ring 10 doesnot require a power such as a pump and can be used conveniently andsafely.

Further, when the penis I is inserted deeply into the vagina V, thesexually sensitive portion stimulating ring 10 is pressed from theopposite sides thereof, and the root of the penis I is squeezed. Thus,the glans of the penis I inflates. Thus, the female can also obtain afeeling of great sexual pleasure.

A more specific embodiment of the sexually sensitive portion stimulatingring 10 will be described below.

FIG. 5(a) is a side view of the outer ring 14 of the embodiment. FIG.5(b) is a sectional view taken along a line B—B in FIG. 5(a). FIG. 6(a)is a side view of a state in which the outer ring 14 is fitted on aninner ring 12. FIG. 6(b) is a sectional view taken along a line C—C inFIG. 6(a). FIGS. 5 and 6 show the configuration and numerical values ofeach portion of the embodiment. The numerical values are indicated withthe unit of mm.

In the embodiment, as shown in FIG. 5(b), the outer ring 14 is formed sothat a radius is formed on the inner-side end (namely, the end, at theside of the curved portion 22, of the inner-side surface of thethick-walled portion 20 of the outer ring 14) and the outer-side end, inthe radial direction of the ring, of the peripheral portion of thethick-walled portion 20 in the widthwise direction of the ring. Thethick-walled portion 20 of the outer ring 14 contacts the female vulva Cduring sexual intercourse. However, if the outer surface of thethick-walled portion 20 of the outer ring 14 is angular, the female hasa feeling of physical disorder. Thus, all the corners of the outersurface of the thick-walled portion 20 of the outer ring 14 are roundedin the embodiment, resulting in the prevention of the female having afeeling of physical disorder.

As shown in FIG. 5, a projection 26 is formed integrally with the curvedportion 22 of the outer ring 14 such that the projection 26 is disposedon the inner side of the ring in the radial direction thereof. As shownin FIG. 6, with the outer ring 14 fitted on the inner ring 12, theprojection 26 operates as a positioning member for allowing the outerring 14 to have a constant distance with respect to the inner ring 12.That is, if the projection 26 is not formed, during the sexualintercourse, the outer ring 14 remains dislocated from the inner ring 12in the radial direction of the ring. Consequently, a situation that thethick-walled portion 20 of the outer ring 14 does not operate properlymay occur. However, by forming the projection 26, even though the outerring 14 is dislocated from the inner ring 12 in the radial direction ofthe ring, the outer ring 14 can be returned immediately to the rightposition with respect to the inner ring 12. That is, as shown in FIG.7(a), when the outer ring 14 is dislocated from the inner ring 12 in theradial direction of the ring, the projection 26 deforms and operates ina direction in which the deformation is released. Therefore, the stateof the projection 26 changes from that shown in FIG. 7(b) to that shownin FIG. 7(c). In this manner, the projection 26 is capable of returningthe outer ring 14 to the right position with respect to the inner ring12.

In the embodiment, as shown in FIG. 8(a), a groove 20 a is formed onupper, lower, left, and right positions of the inner-side surface ofeach thick-walled portion 20 of the outer ring 14. With the outer ring14 fitted on the inner ring 12 and with the inner-side surfaces of boththick-walled portions 20 in contact each other, as shown in FIG. 8(b),the groove 20 a allows formation of an air hole 28 communicating withthe outside and an inner space formed of thick-walled portions 20 andthe curved portion 22 with each other. By forming the air hole 28,during sexual intercourse, it is possible to quickly return boththick-walled portions 20 from the outwardly displaced state to theoriginal state and operate both thick-walled portions 20 properly.

In the above-described embodiment, as the positioning member, theprojection 26 shown in FIGS. 5 and 6 has been described. But as shown inFIG. 9, a projection 26 a having a gap therein may be formed within thepositioning member. Because the projection 26 shown in FIGS. 5 and 6 canbe manufactured more easily than the projection 26 a shown in FIG. 9,the former is more favorable than the latter. Although it is necessaryto dispose the projection in the concave portion 24, the projection doesnot necessarily have to be formed integrally with the outer ring 14.However, in consideration of the above-described positioning operation,it is preferable that the projection is formed integrally with the outerring 14. The positioning member does not necessarily have to be theabove-described projection, but, as shown in FIG. 10, it is possible touse a sectionally circular ring member 29 composed of a materialdifferent from that of the outer ring 14. However, in the case where thering member 29 is composed of a material different from that of theouter ring 14, in washing the sexually sensitive portion stimulatingring 10 with water or the like after it is used, a cleaning liquid maycollect between the ring member 29 and the inner ring 12 or the outerring 14. Therefore, from a sanitary point of view, it is preferable notto compose the ring member 29 of a material different from that of theouter ring 14.

The above-described sexually sensitive portion stimulating ring 10 isformed by processing silicone rubber of high quality. Preventionmeasures against static electricity and dust are taken for the sexuallysensitive portion stimulating ring 10. But from a sanitary point ofview, it is necessary to store it in a case. Therefore, as shown in FIG.11, the sexually sensitive portion stimulating ring 10 is stored in acase (dressing case) 100 serving as a storing device. FIG. 11(a) shows astate in which a cover 100 a of the case 100 is closed. FIG. 11(b) showsa state in which the cover 100 a of the case 100 is opened.

In using the sexually sensitive portion stimulating ring 10, the femalewill feel the cold of silicone rubber. Thus it is necessary to keepwarming the sexually sensitive portion stimulating ring to bodytemperature before the sexually sensitive portion stimulating ring 10 isused. Therefore, a heating/warmth-keeping device as shown in FIG. 12 isprovided inside the case 100. More specifically, a warming plate 110 isprovided inside the case 100. A heater 111 is disposed on the lowersurface of the warming plate 110. The sexually sensitive portionstimulating ring 10 is mounted on the upper surface of the warming plate110. The heating of the heater 111 is controlled by a controller 112. Aswitch 113 is connected to the controller 112. When the switch 113 isturned on, the controller 112 receives a power supply from a home powersource, controls the heating of the heater 111, heats the sexuallysensitive portion stimulating ring 10, and keeps warming the sexuallysensitive portion stimulating ring 10 to body temperature. When thecontroller 112 detects that the sexually sensitive portion stimulatingring 10 has reached a predetermined temperature from the heating of theheater 111, it operates a music box 114 to inform a user that thesexually sensitive portion stimulating ring 10 can be used. As the meansfor informing that the sexually sensitive portion stimulating ring 10has reached the predetermined temperature, means such as a lamp may beused an addition to, or alternatively to, the music box 114.

A switch for detecting the opening and closing of the cover 110 a and aswitch for detecting that the sexually sensitive portion stimulatingring 10 is accommodated in the case 100 may be provided so that theheating control of the heater 112 is made based on a signal outputtedfrom the switches only when the controller 112 detects that the sexuallysensitive portion stimulating ring 10 is accommodated in the case 100with the cover 100 a open. In this construction, the heating control ofthe heater 112 can be made only when the sexually sensitive portionstimulating ring 10 can be used.

The present invention is not limited to the above-described embodiment,but can be embodied by altering the above-described embodiment asfollows.

(Second Embodiment)

In the above-described embodiment, the ring body having the outer ring14 and the inner ring 12 separate from the outer ring 14 has beendescribed. But a one-piece ring body may be adopted, so long as thedistance between the peripheral portions in the radial direction of thering is changed by fluctuation of a pressing force applied to thesexually sensitive portion stimulating ring from the side surfacethereof.

For example, like a sexually sensitive portion stimulating ring 30 shownin FIGS. 13(a) and (b), in a sectional configuration of the ring, a pairof thick-walled portions 32 are formed at both tips of an inner ring,and a projected portion 34 is extended from the inner side of a pair ofthe thick-walled portions 32 in such a way that the projected portion 34is disposed inward from the thick-walled portions 32. In this case, asshown in FIG. 13(b), when the sexually sensitive portion stimulatingring 30 is pressed from the opposite sides thereof, the projectedportion 34 is pressed outwardly by a pair of the thick-walled portions32 and projects outwardly from the thick-walled portions 32. Thus, it isunnecessary to constitute the ring of the outer ring and the inner ring.

According to the second embodiment, the sexually sensitive portionstimulating ring is deformed elastically by a pressing force appliedthereto from the side surfaces thereof in such a way that the femalesexual organ stimulating portion formed in the peripheral portion of thesexually sensitive portion stimulating ring in its radial directionmoves and stimulates the female sexual organ. The sexually sensitiveportion stimulating ring is so formed as to have the shape of anapproximate “U” in section to form the curved portion as the innerperipheral surface of the sexually sensitive portion stimulating ring.When the sexually sensitive portion stimulating ring is pressed from theopposite sides thereof, the curved portion flattens and the innerdiameter of the sexually sensitive portion stimulating ring shrinks. Inthe U-shaped section of the above-described sexually sensitive portionstimulating ring, a pair of thick-walled portions are formed at bothtips of the letter “U”, and a pair of the projected portions areextended from the inner side of a pair of the thick-walled portions insuch a way that the projected portion is disposed inward from thethick-walled portions. When the sexually sensitive portion stimulatingring is pressed from the opposite sides thereof, the projected portionis pressed outward by a pair of the thick-walled portions and projectsoutward.

According to the present invention, when the sexually sensitive portionstimulating ring is pressed from the opposite sides thereof, theprojected portion is pressed by a pair of the thick-walled portions andprojects outward. Thus, during sexual intercourse, the sexuallysensitive portion stimulating ring is pressed by the male and femaleabdomens, with the sexually sensitive portion stimulating ringsandwiched therebetween. As a result, the projected portion is pressedby the thick-walled portion and projects outward. Accordingly, not onlythe thick-walled portion, but also the projected portion which hasprojected outwardly contacts the female sexual organ. Because duringsexual intercourse the contact of the projected portion with the femalesexual organ and separation therefrom are repeated, the female canobtain a feeling of sexual pleasure.

(Third Embodiment)

Like a sexually sensitive portion stimulating ring 40 shown in FIGS.14(a) and (b), an acute angle portion 44 may be formed on a portion of athick-walled portion 42 which contacts the female sexual organ, and anacute angle portion 48 may be also formed on a portion of a thick-walledportion 46 which contacts the female sexual organ. In this case, thefemale sexual organ can be stimulated in a higher extent.

The constructions shown in FIGS. 5 through 10 may be adopted in thesecond and third embodiments.

In the first through third embodiments, it is possible to prepare aplurality of the sexually sensitive portion stimulating rings havingdifferent sizes in the inner diameter of the ring, the outer diameterthereof, and the width thereof. In this case, it is possible toappropriately select a sexually sensitive portion stimulating ringhaving a suitable size, according to a difference among individuals suchas the thickness of the penis.

It is possible to prepare silicone rubber having different levels ofhardness. In this case, it is possible to select a desired hardness.

The present invention can be summarized by the followings.

(a) A ring-shaped sexually sensitive portion stimulating ring is fittedon a penis root. The sexually sensitive portion stimulating ring isdeformed elastically by a pressing force applied thereto from the sidesurfaces thereof in such a way that the ring body shrinks in thereof andsqueezes the penis and the female sexual organ stimulating portionformed on the periphery of the ring body moves and stimulates the femalesexual organ. According to the present invention, the sexually sensitiveportion stimulating ring is deformed elastically by the pressing forceapplied thereto from the side surfaces thereof in such a way that atleast the inner diameter of the ring body shrinks and squeezes thepenis. Thus, during a sexual intercourse, the erection of the male penisis induced and an erected state can be maintained. Because of thepressing force, the female sexual organ stimulating portion formed onthe periphery of the ring body moves and stimulates the female sexualorgan. Therefore, during sexual intercourse, the female can also obtaina feeling of sexual pleasure.

(b) In the sexually sensitive portion stimulating ring of theabove-described (a), the sexually sensitive portion stimulating ring isformed in the shape of an approximate “U” in section in such a way thatthe curved portion is formed as the inner peripheral surface of thesexually sensitive portion stimulating ring. When the sexually sensitiveportion stimulating ring is pressed from the opposite sides thereof, thecurved portion flattens and the inner diameter of the sexually sensitiveportion stimulating ring shrinks. According to the present invention,when the sexually sensitive portion stimulating ring is pressed from theopposite sides thereof, the curved portion flattens and the innerdiameter of the sexually sensitive portion stimulating ring shrinks.Thus, during sexual intercourse, the sexually sensitive portionstimulating ring is pressed by the male and female abdomens, with thesexually sensitive portion stimulating ring sandwiched therebetween. Asa result, the inner diameter of the sexually sensitive portionstimulating ring shrinks. Accordingly, during sexual intercourse, thediameter of the sexually sensitive portion stimulating ring shrinks andexpands repeatedly, which induces the erection of the male penis andallows an erected state to be maintained.

(c) In the sexually sensitive portion stimulating ring of theabove-described (a) or (b), the inner ring serving as the female sexualorgan stimulating portion is formed in the shape of an approximate “U”in section, and the outer ring formed in the shape of an approximate “U”in section is fitted on the inner ring in such a way that when thesexually sensitive portion stimulating ring is pressed from the oppositesides thereof, the outer edge of the outer ring projects outward beyondthe inner ring. According to the invention, in addition to the effect ofthe above-described (b), when the sexually sensitive portion stimulatingring is pressed from the opposite sides thereof, the outer edge of theouter ring projects outward beyond the inner ring. Thus, during sexualintercourse, the sexually sensitive portion stimulating ring is pressedby the male and female abdomens, with the sexually sensitive portionstimulating ring sandwiched therebetween. As a result, the outer edge ofthe outer ring is pressed outward by the inner ring and projects outwardbeyond the inner ring. Accordingly, not only the inner ring, but alsothe outer edge of the outer ring which has projected outward contactsthe female sexual organ. During sexual intercourse the contact of theouter edge of the outer ring with the female sexual organ and separationtherefrom are repeated, which results in the female obtaining a feelingof sexual pleasure.

What is claimed is:
 1. A ring-shaped sexually sensitive portionstimulating tool adapted to be fit on a penis root, comprising: anelastically deformable ring body; a first displacement portion which isprovided on said ring body and is displaced elastically to an inner sidein a widthwise direction of said ring body when said ring body ispressed in said widthwise direction of said ring body; and a seconddisplacement portion which is provided on said ring body and isdisplaced to an outer side in said widthwise direction of said ring bodywith a displacement of said first displacement portion to said innerside in said widthwise direction of said ring body, wherein said seconddisplacement portion is constructed as a female sexual organ stimulatingportion.
 2. A sexually sensitive portion stimulating tool according toclaim 1, wherein said second displacement portion makes a motion ofdisplacing outward in said widthwise direction of said ring body, whilesaid second displacement portion is displacing outward in a radialdirection of said ring body.
 3. A sexually sensitive portion stimulatingtool according to claim 1, wherein a peripheral portion of said seconddisplacement portion makes a motion of spreading outwardly in saidwidthwise direction of said ring body, with an inner peripheral portionof said second displacement portion in said radial direction of saidring body serving as a supporting point.
 4. A ring-shaped sexuallysensitive portion stimulating tool adapted to be fit on a penis root,comprising: an elastically deformable ring body comprising: an innerring, approximately U-shaped in section, having a groove open in aperipheral direction thereof; and an outer ring which has a femalesexual organ stimulating portion and which is fitted in said groove ofsaid inner ring, wherein when said inner ring deforms elastically uponreceipt of a pressing force from opposite sides thereof in a widthwisedirection of said ring body, said inner ring presses said outer ring,thus moving said female sexual organ stimulating portion.
 5. Aring-shaped sexually sensitive portion stimulating tool adapted to befit on a penis root, comprising: an outer ring, approximately U-shapedin section, having a pair of thick-walled portions whose inner-sidesurfaces face each other and a curved portion connecting said pair ofthick-walled portions to each other; and an inner ring, approximatelyU-shaped in section, having a groove open in a peripheral directionthereof; wherein said outer ring is fitted in said groove of said innerring and upon receipt of a pressing force applied to an outer-sidesurface of said inner ring, both tips of said U-shaped inner ring pressouter-side surfaces of said pair of thick-walled portions of said outerring to allow each of said pair of thick-walled portions to make arotary motion, with an end a side of said curved portion operating as asupporting point so that said pair of thick-walled portions is adaptedto stimulate a female sexual organ.
 6. A sexually sensitive portionstimulating tool according to claim 4, wherein a positioning member forallowing said outer ring to have a constant distance with respect tosaid inner ring is provided inside said groove of said inner ring.
 7. Asexually sensitive portion stimulating tool according to claim 6,wherein said positioning member is formed integrally with said outerring.
 8. A ring-shaped sexually sensitive portion stimulating tooladapted to be fit on a penis root, comprising: an outer ring whose outeredge serves as a female sexual organ stimulating portion; and an innerring whose side surface receives a pressing force, said sexuallysensitive portion stimulating tool having a stepped construction in sucha way that when said sexually sensitive portion stimulating tool is seenfrom a peripheral surface side thereof, said inner ring is positioned atan outer side in a widthwise direction of said sexually sensitiveportion stimulating tool and said outer ring is positioned at an innerside in said widthwise direction thereof, and said outer ring ispositioned outwardly beyond said inner ring in a radial direction ofsaid sexually sensitive portion stimulating tool to form a steppedconstruction, wherein said female sexual organ stimulating portiondisplaces outwardly in said widthwise direction of said sexuallysensitive portion stimulating tool upon receipt of a pressing forceapplied to said side surface of said inner ring and is adapted tostimulate a female sexual organ.
 9. A sexually sensitive portionstimulating tool according to claim 4, wherein an inner diameter of saidinner ring is decreased by a pressing force applied to an outer-sidesurface of said inner ring to allow said inner ring to squeeze saidpenis root.
 10. A ring shaped sexually sensitive portion stimulatingtool adapted to be fit on a penis root and U-shaped in section,comprising: a pair of thick-walled portions whose inner-side surfacesface each other; and a curved portion connecting said both thick-walledportions to each other, wherein upon receipt of a pressing force appliedto an outer-side surface of each of said pair of thick-walled portions,said pair of thick-walled portions makes a rotary motion with an end atthe side of said curved portion operating as a supporting point foradapting the pair of thick-walled portions to stimulate a female sexualorgan.
 11. A sexually sensitive portion stimulating tool according toclaim 10, wherein said pair of thick-walled portions projects inwardlyin such a way that said curved portion is located inwardly from saidpair of thick-walled portions.
 12. A sexually sensitive portionstimulating tool according to claim 10, wherein a groove for forming anair hole communication with a space formed between said boththick-walled portions and said curved portion and with the outside isformed on an inner-side surface of each of said pair of thick-walledportions.
 13. A sexually sensitive portion stimulating tool according toclaim 10, wherein a circular configuration is formed by an inner-sideend and an outer-side end of each of said pair of thick-walled portionsand the curved portion.
 14. A ring-shaped sexually sensitive portionstimulating tool adapted to be fit on a penis root, comprising: a ringbody having a first ring portion; a second ring portion parallel withsaid first ring portion in a widthwise direction thereof; and anelastically deformable holding portion for holding said first and secondring portions, wherein upon receipt of a pressing force applied to aside surface of said ring body, a peripheral portion of each of saidfirst ring portion and said second ring portion in a radial direction ofsaid ring body makes a rotary motion with an inner peripheral side ofeach of said first ring portion and said second ring portion in saidradial direction of said ring body operating as a supporting point forstimulating a female sexual organ.
 15. A sexually sensitive portionstimulating tool according to claim 14, wherein said elasticallydeformable holding portion is positioned at an inner peripheral side ofsaid first and second ring portions in said radial direction of saidsexually sensitive portion stimulating tool and supports said first andsecond ring portions at a thin-walled portion thereof thinner than saidfirst and second ring portions; and said thin-walled portion supportssaid first and second ring portions at a side surface thereof oppositeto confronting side surfaces of said first and second ring portions. 16.A ring shaped sexually sensitive portion stimulating tool adapted to befit on a penis root and deformed elastically by a pressing force appliedthereto from a side surface thereof in such a way that a female sexualorgan stimulating portion formed on a peripheral portion thereof isadapted to stimulate a female sexual organ.
 17. A sexually sensitiveportion stimulating tool according to any one of claims 1 through 16,further comprising a device for accommodating said sexually sensitiveportion stimulating tool, said device including a heating/heat-retainingdevice for heating said sexually sensitive portion stimulating tool. 18.A sexually sensitive portion stimulating tool according to claim 2,wherein a peripheral portion of said second displacement portion makes amotion of spreading outwardly in said widthwise direction of said ringbody, with an inner peripheral portion of said second displacementportion in said radial direction of said ring body serving as a support.19. A sexually sensitive portion stimulating tool according to claim 5,wherein a positioning member for allowing said outer ring to remain aconstant distance from said inner ring is provided inside said groove ofsaid inner ring.
 20. A sexually sensitive portion stimulating toolaccording to claim 5, wherein an inner diameter of said inner ring isdecreased by a pressing force applied to an outer-side surface of saidinner ring for permitting said inner ring to squeeze said penis root.21. A sexually sensitive portion stimulating tool according to claim 8,wherein an inner diameter of said inner ring is decreased by a pressingforce applied to an outer-side surface of said inner ring to allow saidinner ring to squeeze said penis root.
 22. A sexually sensitive portionstimulating tool according to claim 11, wherein a groove for forming anair hole communicating with a space between said pair of thick-walledportions and said curved portion and with an ambient environment isformed on an inner-side surface of each of said pair of thick-walledportions.
 23. A sexually sensitive portion stimulating tool according toany one of claims 18 through 22, further comprising a device foraccommodating said sexually sensitive portion stimulating tool, saiddevice including a heating/heat-retaining device for heating saidsexually sensitive portion stimulating tool.